distro_fedora: Remove rootfs archive on fail

common.d/common.fedora.sh

@@ -30,6 +30,7 @@ fetch_base_system()
         log "Downloading generic rootfs from $xz_url" internal
         wget -q --show-progress -O "$xz_path" "$xz_url" || {
             log "Failed to download generic rootfs" ierror
+            [ -f "$xz_path" ] && rm "$xz_path"
             return 1
         }
     }